
interface Menu
{
    byte menu_id = 0;
    short jugar         = 0;
    short opciones      = (short) (jugar + 1);
    short records       = (short) (opciones + 1);
    short salir         = (short) (records + 1);
    short cantidad      = (short) (salir + 1);
}

interface Igm {
    byte menu_id = 1;
    short resumir       = 0;
    short main_menu     = resumir + 1;
    short salir         = main_menu + 1;
    short cantidad      = salir + 1;
}

interface Nivel {
    byte menu_id = 2;
    short nivel_facil   = 0;
    short nivel_medio   = nivel_facil + 1;
    short nivel_dificil = nivel_medio + 1;
    short cantidad      = nivel_dificil + 1;
}